201056680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1151}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 495175680

約数和(自身を除く): 294119000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 440, 794, 1151, 1588, 1985, 2302, 3176, 3970, 4367, 4604, 5755, 7940, 8734, 9208, 11510, 12661, 15880, 17468, 21835, 23020, 25322, 34936, 43670, 46040, 50644, 63305, 87340, 101288, 126610, 174680, 253220, 456947, 506440, 913894, 1827788, 2284735, 3655576, 4569470, 5026417, 9138940, 10052834, 18277880, 20105668, 25132085, 40211336, 50264170, 100528340, 201056680]

約数ペア:

[(1, 201056680), (2, 100528340), (4, 50264170), (5, 40211336), (8, 25132085), (10, 20105668), (11, 18277880), (20, 10052834), (22, 9138940), (40, 5026417), (44, 4569470), (55, 3655576), (88, 2284735), (110, 1827788), (220, 913894), (397, 506440), (440, 456947), (794, 253220), (1151, 174680), (1588, 126610), (1985, 101288), (2302, 87340), (3176, 63305), (3970, 50644), (4367, 46040), (4604, 43670), (5755, 34936), (7940, 25322), (8734, 23020), (9208, 21835), (11510, 17468), (12661, 15880)]